Address code review feedback

- Fix album cover URL: use result.album_cover.cover_url instead of result.cover_url
- Convert WINDOWS_MEDIA_CONTROLS to optional_component for better configuration management

Co-authored-by: jonaski <10343810+jonaski@users.noreply.github.com>

CMakeLists.txt

@@ -296,7 +296,9 @@ if(UNIX AND NOT APPLE)
 endif()
 
 if(MSVC)
-  set(HAVE_WINDOWS_MEDIA_CONTROLS ON)
+  optional_component(WINDOWS_MEDIA_CONTROLS ON "Windows Media Transport Controls"
+    DEPENDS "MSVC compiler" MSVC
+  )
 endif()
 
 optional_component(SONGFINGERPRINTING ON "Song fingerprinting and tracking"